[PATCH] D101685: Removed mayThrow from if-condition in predicateLoopExits of IndVarSimplify

Daniil Seredkin via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sat May 1 00:21:28 PDT 2021


vdsered created this revision.
vdsered added a reviewer: reames.
vdsered added a project: LLVM.
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vdsered requested review of this revision.
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Instruction has mayHaveSideEffects method that returns true if mayThrow return true because this is called internally in the first method


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D101685

Files:
  llvm/lib/Transforms/Scalar/IndVarSimplify.cpp


Index: llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
===================================================================
--- llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -1671,7 +1671,7 @@
   for (BasicBlock *BB : L->blocks())
     for (auto &I : *BB)
       // TODO:isGuaranteedToTransfer
-      if (I.mayHaveSideEffects() || I.mayThrow())
+      if (I.mayHaveSideEffects())
         return false;
 
   bool Changed = false;


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